/*******************************************************************
* Copyright (c) 2010 BSUIR <romkisel@gmail.com>

* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:

* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
********************************************************************/

#ifndef PLIGHT_H
#define PLIGHT_H

#include <QGraphicsItem>
#include <QPainter>
#include <QRadialGradient>
#include "optixitem.h"
#include "shadowmap.h"

class PLight : public QGraphicsItem, public OptixItem
{
private:
    qreal mH;                   //height (for drawing shadows)
    qreal mSize;                //size of ellipse

    ShadowMap *shadMap;         //we drawing the light on the shadow map
    QRadialGradient *gradient;  //for more realistic drawing :)

public:
    PLight(ShadowMap *shadMap, qreal h = 10, qreal size = 800, QColor color = QColor(255, 255, 255, 130));

    void drawLight();
    qreal getH();
    qreal getSize();
    void setH(qreal h);
    void setSize(qreal size);
    void changeColor();

    QRectF boundingRect() const;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);

    void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
};

#endif // PLIGHT_H
